Finite Group Databasebeta

#14515217

order1920
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×S5
commutator, cosocleC2×SL(2,𝔽5)C23
Frattini, socleC22C22×S5
Fitting, hypercenterC22×C4S5
prime radicalC22⋊#6729C2
hypocenterSL(2,𝔽5)#41
LCSG ▷ C2×SL(2,𝔽5) ▷ SL(2,𝔽5)
UCSC1 ◁ C2×C4 ◁ C22×C4

373 conjugacy classes of subgroups; only the 30 normal subgroups are shown.

normal subgroups only

This group has 373 conjugacy classes of subgroups — too many to draw. Only its 30 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 192

Permutation generators:

(1,5,18)(2,10,24)(3,15,6)(4,20,12)(7,8,23)(9,13,14)(11,19,16)(17,21,22)(25,29,42)(26,34,48)(27,39,30)(28,44,36)(31,32,47)(33,37,38)(35,43,40)(41,45,46)(49,51,50,52)(53,57,70)(54,62,76)(55,67,58)(56,72,64)(59,60,75)(61,65,66)(63,71,68)(69,73,74)(77,81,94)(78,86,100)(79,91,82)(80,96,88)(83,84,99)(85,89,90)(87,95,92)(93,97,98)(101,103,102,104);(1,44,23,31,24,46,3,34,11,43,12,38)(2,29,9,37,6,32,4,39,17,45,18,40)(5,47,13,48,8,27,15,35,21,36,16,25)(7,42,22,26,10,33,19,30,14,28,20,41)(53,86,75,95,76,90,55,96,63,83,64,98)(54,91,61,97,58,92,56,81,69,89,70,84)(57,87,65,88,60,77,67,99,73,100,68,79)(59,82,74,80,62,93,71,94,66,78,72,85)(101,102)(103,104);(1,53)(2,54)(3,55)(4,56)(5,57)(6,58)(7,59)(8,60)(9,61)(10,62)(11,63)(12,64)(13,65)(14,66)(15,67)(16,68)(17,69)(18,70)(19,71)(20,72)(21,73)(22,74)(23,75)(24,76)(25,77)(26,78)(27,79)(28,80)(29,81)(30,82)(31,83)(32,84)(33,85)(34,86)(35,87)(36,88)(37,89)(38,90)(39,91)(40,92)(41,93)(42,94)(43,95)(44,96)(45,97)(46,98)(47,99)(48,100)(49,101)(50,102)(51,103)(52,104)

Conjugacy classes & character table

66 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1920, 240915);